Miles
485,631 mi
Year
2021
Engine
Cummins X15
Horsepower
400 HP
Transmission
Automated Manual
Axle Config
6x4
This 2021 Peterbilt 579 is a used Class 8 commercial truck, listed in the Day Cab category. Configured as a day cab, it is suited for regional and local distribution routes. The truck is powered by a 400-horsepower Cummins X15 diesel engine, paired with a 12-speed automated manual transmission. The chassis features a 186-inch wheelbase, and a gross vehicle weight rating of 52,000 lbs. The odometer shows 485,631 miles, and the unit is offered in fair condition. The current asking price is $50,900, representing the dealer's current asking price. This truck is currently offered by Rush Truck Centers. Interested parties should contact the dealer directly to verify availability, confirm specifications, and arrange an on-site inspection before purchase. All specifications, odometer readings, and pricing information are provided by the selling dealer and should be independently verified prior to purchase.
Rush Truck Centers
Tulsa, OK
Asking
$50,900

VIN 1XPBD49XXMD738664 · Stock #rush-591885
Tulsa, OK
Asking price over time
1 dealer-initiated drop · total −$8,600 (14.5%)
Asking now
$50,900
Initial ask
$59,500
Comp median
$54,900
Days listed
143
Comp median is the median asking price across N similar trucks (same make/model/year/spec) in the last 90 days. Not a valuation. We never tell you whether to buy.
2021 Peterbilt 579 — get instant answers about specs, inspection tips, or comparisons.
This 2021 Peterbilt 579 is a used Class 8 commercial truck, listed in the Day Cab category. Configured as a day cab, it is suited for regional and local distribution routes. The truck is powered by a 400-horsepower Cummins X15 diesel engine, paired with a 12-speed automated manual transmission. The chassis features a 186-inch wheelbase, and a gross vehicle weight rating of 52,000 lbs. The odometer shows 485,631 miles, and the unit is offered in fair condition. The current asking price is $50,900, representing the dealer's current asking price. This truck is currently offered by Rush Truck Centers. Interested parties should contact the dealer directly to verify availability, confirm specifications, and arrange an on-site inspection before purchase. All specifications, odometer readings, and pricing information are provided by the selling dealer and should be independently verified prior to purchase.
FOR SALE: 2021 Peterbilt 579 Day Cab – Cummins X15, 12-Speed Endurant, Fleet Maintained & DOT Ready Check out this exceptionally clean 2021 Peterbilt 579 Day Cab, powered by a dependable Cummins X15 engine putting out 400 horsepower and paired with a smooth-shifting 12-speed Endurant automatic transmission. This truck is spec’d for efficiency and performance, featuring a 2.79 rear axle ratio, PB Low Air Leaf suspension, and a 186” wheelbase for solid ride quality and excellent maneuverability. With just 485631 miles, this truck comes equipped with BRAND NEW 22.5 LP tires mounted on polished aluminum wheels. The truck has been freshly DOT inspected and sports brand new white exterior with aluminum accents that highlight its sharp, professional look. Inside, you’ll find the Prestige interior trim in day cab configuration, perfect for regional and local haul work. Rated with a 52,000 lb GVWR, a 12,000 lb front axle, and tandem Paccar rear axles, this truck is built to handle the workload. The Jost JSK36 fifth wheel and clean rear deck setup make it ready for hook-up and haul. It represents a great opportunity for owner-operators or fleet buyers. Multiple matching units are available—take advantage of the chance to update your fleet with low-mileage, spec’d-alike Peterbilt day cabs. Trades welcomed, and financing options are available.
2021 Peterbilt 579 · 485,631 mi
Est. monthly
$972.60
Pre-tax purchase price
$5,090
Owner-ops: 10–20% typical
Prime 7–9% · Median 9–12% · Subprime 14%+
Deducted from financed amount
Drives Federal Excise Tax (FET)
Skip if straight truck under 33k GVWR or trailer under 26k GVWR.
Off — used vehicles are exempt
$0
Often 0% for interstate commercial use
Some states cap (CA $85, NY $75)
State title + lien fee
Lowers monthly; paid as lump at term
Amount financed
$46,310
Total interest
$12,046
Total cost
$63,446
Effective / month
$972.60
Estimate only. Actual financing depends on credit, dealer program, and lender terms. Heavy-truck APRs typically range 7–18% depending on credit tier, vehicle age, and LTV. Interstate commercial-use purchases are often exempt from state sales tax. TruckRadar is not a lender. Consult a commercial-vehicle lender for binding quotes.
Market Index
2021 Peterbilt 579 X15
Median Price
$56,900
This listing
−11% vs. comp median
Active listings
231